velocity head

基本解释

• 速度落差，[流] 速位差；[流] 速度头；[制冷] 动压头

英汉例句

双语例句

• Strong radar echoes and positive-negative velocity and head wind area are indicative to the heavy rainfall event.
  强雷达回波和正负速度对、逆风区等特征对强降水具有指示意义。
• The liquor is pumped through a large nozzle and the velocity head is utilized to draw the gases to be absorbed into the liquid .
  液体用泵送经一只大的喷头，利用速度变化产生的压差将待吸收气体带到液体中。
• Described are the influence of velocity head on the actual flows with same level and the artesian flows for different liquid levels.
  指出速度水头对同一液面高度的实际流量的影响及不同液面高度下的自流发油流量。

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词组短语

短语

• velocity -head correction factor 速头改正因数
• velocity y head 速度头
• air velocity over head 头部风速
• velocity head tachometer 液压转速计
• velocity head h 速度水头

• velocity head更多词组

英英字典

柯林斯英英字典

• the velocity of a fluid expressed in terms of the head or static pressure required to produce that velocity. It equals /2 where is the density of the fluid and is the velocity. In hydrology the density of water can be written 1/G where G is the gravitational constant

• velocity head剑桥字典
• velocity head柯林斯字典

专业释义

地球科学

• 速度落差，[流] 速位差；[流] 速度头；[制冷] 动压头
• 临水头
• 速度水头

物理学

• 速度头

交通运输工程

• 速度水头

电子、通信与自动控制技术

• 临水头

机械工程

• 速度高差

能源科学技术

• 速度水头

水利工程

• 流速水头